kiki4832
kiki4832
28.10.2019 • 
Mathematics

An anonymous survey of college students was taken to determine behaviors regarding alcohol, cigarettes, and illegal drugs. the results were as follows: 838 drank alcohol regularly, 656 smoked cigarettes, 191 used illegal drugs, 405 drank alcohol regularly and smoked cigarettes, 102 drank alcohol regularly and used illegal drugs, 107 smoked cigarettes and used illegal drugs, 83 engaged in all three behaviors, and 146 engaged in none of these behaviors

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